/*
 * Copyright 2002-2010 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.huaweicloud.dis.http;

/**
 * Represents the communication protocol to use when sending requests to DIS.
 * <p>
 * Communication over HTTPS is the default, and is more secure than HTTP, which
 * is why DIS recommends using HTTPS. HTTPS connections can use more system
 * resources because of the extra work to encrypt network traffic, so the option
 * to use HTTP is available in case users need it.
 */
public enum Protocol {

    /**
     * HTTP Protocol - Using the HTTP protocol is less secure than HTTPS, but
     * can slightly reduce the system resources used when communicating with
     * DIS.
     */
    HTTP("http"),

    /**
     * HTTPS Protocol - Using the HTTPS protocol is more secure than using the
     * HTTP protocol, but may use slightly more system resources. DIS recommends
     * using HTTPS for maximize security.
     */
    HTTPS("https");

    private final String protocol;

    private Protocol(String protocol) {
        this.protocol = protocol;
    }

    /* (non-Javadoc)
     * @see java.lang.Enum#toString()
     */
    @Override
    public String toString() {
        return protocol;
    }
}
